[INFO] updating cached repository guilherme/rust-bowling-kata
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/guilherme/rust-bowling-kata
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/guilherme/rust-bowling-kata" "work/ex/beta-1.38-1/sources/1.37.0/gh/guilherme/rust-bowling-kata"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/guilherme/rust-bowling-kata'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/guilherme/rust-bowling-kata" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/guilherme/rust-bowling-kata"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/guilherme/rust-bowling-kata'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d11fcf865a5d1d16b8b085be372133ae4e8c1caf
[INFO] sha for GitHub repo guilherme/rust-bowling-kata: d11fcf865a5d1d16b8b085be372133ae4e8c1caf
[INFO] validating manifest of guilherme/rust-bowling-kata on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of guilherme/rust-bowling-kata on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing guilherme/rust-bowling-kata
[INFO] finished frobbing guilherme/rust-bowling-kata
[INFO] frobbed toml for guilherme/rust-bowling-kata written to work/ex/beta-1.38-1/sources/1.37.0/gh/guilherme/rust-bowling-kata/Cargo.toml
[INFO] started frobbing guilherme/rust-bowling-kata
[INFO] finished frobbing guilherme/rust-bowling-kata
[INFO] frobbed toml for guilherme/rust-bowling-kata written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/guilherme/rust-bowling-kata/Cargo.toml
[INFO] crate guilherme/rust-bowling-kata already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing guilherme/rust-bowling-kata against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/guilherme/rust-bowling-kata:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 760a40e2a9c5cb14710a26c2b603f5abd2a63a4b1cc6e148c29b1065adf586fd
[INFO] running `"docker" "start" "-a" "760a40e2a9c5cb14710a26c2b603f5abd2a63a4b1cc6e148c29b1065adf586fd"`
[INFO] [stderr]    Compiling bowling-kata v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Game`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Game {
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/main.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   pub fn new() -> Game {
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `roll`
[INFO] [stderr]   --> src/main.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |   fn roll(&mut self, pins: usize) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `score`
[INFO] [stderr]   --> src/main.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   fn score(&self) -> usize {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "760a40e2a9c5cb14710a26c2b603f5abd2a63a4b1cc6e148c29b1065adf586fd"`
[INFO] running `"docker" "rm" "-f" "760a40e2a9c5cb14710a26c2b603f5abd2a63a4b1cc6e148c29b1065adf586fd"`
[INFO] [stdout] 760a40e2a9c5cb14710a26c2b603f5abd2a63a4b1cc6e148c29b1065adf586fd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/guilherme/rust-bowling-kata:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e91d960a8bfc50889647f37bab0c1837b3b0866789967357511da102ca9f79d7
[INFO] running `"docker" "start" "-a" "e91d960a8bfc50889647f37bab0c1837b3b0866789967357511da102ca9f79d7"`
[INFO] [stderr]    Compiling bowling-kata v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "e91d960a8bfc50889647f37bab0c1837b3b0866789967357511da102ca9f79d7"`
[INFO] running `"docker" "rm" "-f" "e91d960a8bfc50889647f37bab0c1837b3b0866789967357511da102ca9f79d7"`
[INFO] [stdout] e91d960a8bfc50889647f37bab0c1837b3b0866789967357511da102ca9f79d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/guilherme/rust-bowling-kata:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] dc5cb0f694cf34e7d2c83b0bedb040723fb2f352c53536c28ce437c5855ec2af
[INFO] running `"docker" "start" "-a" "dc5cb0f694cf34e7d2c83b0bedb040723fb2f352c53536c28ce437c5855ec2af"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bowling_kata-09851ba25afeabc5
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_one_spare ... ok
[INFO] [stdout] test tests::it_runs_the_game ... ok
[INFO] [stdout] test tests::it_test_all_ones ... ok
[INFO] [stdout] test tests::test_one_strike ... ok
[INFO] [stdout] test tests::test_perfect_game ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dc5cb0f694cf34e7d2c83b0bedb040723fb2f352c53536c28ce437c5855ec2af"`
[INFO] running `"docker" "rm" "-f" "dc5cb0f694cf34e7d2c83b0bedb040723fb2f352c53536c28ce437c5855ec2af"`
[INFO] [stdout] dc5cb0f694cf34e7d2c83b0bedb040723fb2f352c53536c28ce437c5855ec2af